<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>图书购物车</title>
</head>
<style>

</style>

<body>
    <div id="app">
        <div v-if="books.length > 0">
            <table border="1px" border-spacing="0">
                <thead>
                    <tr>
                        <th> </th>
                        <th>书籍名称</th>
                        <th>出版社</th>
                        <th>价格</th>
                        <th>购买数量</th>
                        <th>操作</th>
                    </tr>
                </thead>
                <tbody>
                    <tr v-for="(book,index) in books">
                        <td>{{book.id}}</td>
                        <td>{{book.name}}</td>
                        <td>{{book.date}}</td>
                        <td>{{"￥"+book.price.toFixed(2)}}</td>
                        <td>
                            <button @click="decrease(index)" :disabled="book.count < 1">-</button>
                            {{book.count}}
                            <button @click="increase(index)">+</button>
                        </td>
                        <td><button @click="remove(index)">移除</button></td>
                    </tr>
                </tbody>
            </table>
            <h4>总价：{{"￥" + totalPrice.toFixed(2)}}</h4>
            <h4>总价：{{showPrice(totalPrice)}}</h4>
            <h4>总价：{{totalPrice | improvePrice}}</h4>
        </div>
        <h2 v-else>购物车为空</h2>


    </div>
    <script src="../js/vue.js"></script>
    <script src="../js/jquery.min.js"></script>
    <script src="../js/main.js"></script>
</body>

</html>